@incollection{MSMF_1979__59__33_0,
     author = {Ferrero, Miguel and Micali, Artibano},
     title = {Sur les $n$-applications},
     booktitle = {Colloque sur les formes quadratiques (Montpellier, 1977)},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     pages = {33--53},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {59},
     year = {1979},
     doi = {10.24033/msmf.247},
     mrnumber = {80j:10032},
     zbl = {0407.10019},
     url = {http://archive.numdam.org/articles/10.24033/msmf.247/}
}